/**
 * Copyright (C) 2010 Cloudfarming <info@cloudfarming.nl>
 *
 * Licensed under the Eclipse Public License - v 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package nl.cloudfarming.client.geoviewer.layers;

import nl.cloudfarming.client.geoviewer.MapController;
import nl.cloudfarming.client.geoviewer.MapControllerLookup;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
import org.openide.util.Lookup.Result;

/**
 * Used to initialize the nodes for the maps (for now only the port map).
 * 
 * @author Maarten Hollenga
 */
public class MapChildren extends Children.Keys {

    public MapChildren() {
    }

    /**
     * Initializes the maps (nodes)
     */
    @Override
    @SuppressWarnings("unchecked")
    protected void addNotify() {
        super.addNotify();

        Result<MapController> maps = MapControllerLookup.getInstance().lookupResult(MapController.class);
        setKeys(maps.allInstances());
    }

    /**
     * Creates the nodes for a map.
     * 
     * @param key The map
     * @return
     */
    @Override
    protected Node[] createNodes(Object key) {
        MapController mapApi = (MapController) key;
        return new Node[]{new MapNode(mapApi)};
    }
}
